Home / 25,538.96-35,244.79-15,461.69

Finding the Fourth Proportional to 25,538.96, 35,244.79 and 15,461.69

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Solution

The fourth proportional to 25,538.96, 35,244.79 and 15,461.69 is: 21,337.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,538.96 : 35,244.79 = 15,461.69 : x
  2. Step 2: Convert to fraction form
    25,538.96/35,244.79 = 15,461.69/x
  3. Step 3: Cross multiply
    25,538.96x = 35,244.79 × 15,461.69
  4. Step 4: Simplify right side
    25,538.96x = 544,943,802.22
  5. Step 5: Solve for x
    x = 544,943,802.22/25,538.96
  6. Step 6: Final answer
    x = 21,337.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.